I've just uploaded over 100 new stone and metal texture images, standard and seamless, that I took at a couple of archaeological sites over the weekend. I think a lot of the stone textures could work well for castles and other structures.

I've opened a fur textures page and uploaded about 70 images, both seamless and standard, to get it started. Some of them might be useful for other things, like carpets, rugs, etc. Some also have funky weaves so I included them for fun.